煤矿用电容式发爆器
Capacitor discharge type exploders for coal mines
2014-12-22
MT/T 1081-2008
矿用网络交换机
Network switch for a coal mine
2008-11-19
MT/T 1212-2024
煤矿信息综合承载网通用技术规范
General technical specification for coal mine information integrated bearer network
2024-12-25
MT/T 1116-2011
煤矿安全生产监控系统联网技术要求
Network technical requirements of the production safety supervision system in the coal mine
2011-04-12
GOST 27863-1988
Устройства защиты от коммутационных перенапряжений подземных электрических сетей угольных шахт
煤矿地下电网开关保护装置
DIN 22020-4
Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 4: Microlithotype analysis on particulate blocks
硬煤开采中原材料的研究.硬煤、焦炭和型煤的显微检验.第4部分:颗粒块的显微岩石类型分析
1998-12-01
DIN 22020-3
Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 3: Maceral analysis on particulated blocks
硬煤开采中原材料的研究.硬煤、焦炭和型煤的显微检验.第3部分:颗粒块的显微组分分析
1998-08-01
DIN 22020-2
Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 2: Preparation of polished surface from lump material and particulate blocks
硬煤开采中原材料的研究.硬煤、焦炭和型煤的显微检验.第2部分:块状材料和颗粒块抛光表面的制备
1998-08-01
GOST R 55604-2013
Устройства защиты от коммутационных перенапряжений подземных электрических сетей угольных шахт. Технические требования и методы испытаний
从保护系统切换浪涌 煤矿地下电网开关保护装置 规格和试验方法